The FlatOut™ Performance Guarantee

If you have a flat tire caused by a puncture after installing FlatOut™ by MULTI SEAL®, we will provide you with free product to treat your replaced or repaired tire(s).


If you are not satisfied with FlatOut™ by MULTI SEAL® and want to exercise the performance guarantee, please follow these instructions:

  1. Do not return the FlatOut™ to your retailer or to Amazon
  2. Please call us at 1-800-577-3353 or email us at to arrange for us to send you a replacement container of FlatOut™ per the guarantee 
  3. Supply proof of purchase and photo of 1) the tire sidewall with tire brand and size and 2) the puncture and puncturing object


 The following are excluded from the performance guarantee:

1.      Passenger vehicle tires or light duty truck/SUV tires

2.     Tires with less than a remaining tread depth of three/thirty seconds of an inch (3/32”)

3.      Punctures and or tears in the sidewall

4.      Dry rotted/weather checked tires

5.      Punctures caused by objects greater than ½” in diameter when treating your tires with FlatOut™ Outdoor Power Equipment Formula, FlatOut™ Sportsman Formula, FlatOut™ Trailer Formula, FlatOut™ Multi Purpose Formula, FlatOut™ QuickStrike™ On Road Formula and FlatOut™ QuickStrike™ Off-Road Formula 

6.      Punctures caused by objects greater than ¼’’ in diameter when treating your tires with FlatOut™ QuickStrike™ Small Tire Formula. 

7.      Misapplication of the FlatOut™ product

8.      Cuts or tears of the tire casing